From e71a53a49d80ba3cc72e678a00f50c2b5b7ca47e Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 10 Apr 2019 19:33:12 -0400
Subject: Add braces to param exps in arith substs

---
(limited to 'src/db.sh')

diff --git a/src/db.sh b/src/db.sh
index 15c8685..a18b76d 100644
--- a/src/db.sh
+++ b/src/db.sh
@@ -252,7 +252,7 @@ db_inc_references()
 	dir="${dir}/${binver}_${arch}_${plat}"
 	if [ -f "${dir}/references" ]; then
 		refs="$(cat "${dir}/references")"
-		refs=$(($refs + 1))
+		refs=$((${refs} + 1))
 	else
 		refs=1
 		mkdir -p "${dir}"
@@ -276,7 +276,7 @@ db_dec_references()
 	dir="${dir}/${binver}_${arch}_${plat}"
 	if [ -f "${dir}/references" ]; then
 		refs="$(cat "${dir}/references")"
-		refs=$(($refs - 1))
+		refs=$((${refs} - 1))
 	else
 		refs=0
 	fi
--
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